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Finding the Fourth Proportional to 590,980,300.40, 886,470,450.60 and 346,092,287.60

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Solution

The fourth proportional to 590,980,300.40, 886,470,450.60 and 346,092,287.60 is: 519,138,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,980,300.40 : 886,470,450.60 = 346,092,287.60 : x
  2. Step 2: Convert to fraction form
    590,980,300.40/886,470,450.60 = 346,092,287.60/x
  3. Step 3: Cross multiply
    590,980,300.40x = 886,470,450.60 × 346,092,287.60
  4. Step 4: Simplify right side
    590,980,300.40x = 306,800,586,137,956,800
  5. Step 5: Solve for x
    x = 306,800,586,137,956,800/590,980,300.40
  6. Step 6: Final answer
    x = 519,138,431.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.